The 13-Year-Old Baseball Sensation Has Emerged as One of the Best Sports Stories of the Summer

Look, it doesn't matter if you haven't stepped onto a Little League diamond in a half a century, or you often spend long days piloting a minivan loaded with bats, mitts, and wannabe Trouts and Jeters howling for post-game cheeseburgers—from about any perspective, baseball sensation Mo'ne Davis has emerged as one of the best sports stories of the summer.

Davis, who is 13, pitches for Philadelphia's Taney Dragons, currently competing in the Little League World Series in Williamsport, Pa. On Friday, Davis threw a complete...